Limiting Reactant and Percent Yield — Quiz Answers

A 115 point 0 - g sample of oxygen was produced by heating 400 point 0 g of potassium chlorate. 2 KClO sub 3 rightarrow 2 KCl plus 3 cap o sub 2 What is the percent yield of oxygen in this chemical reaction? Use percent Yield is equal to Actual yield over Theoretical yield times 100

In a chemical reaction, substance cap r reacts with compound XY to produce 47 point 0 g of compound RX If the theoretical yield of RX is 56 point 0 g , what is its percent yield? Use percent Yield is equal to Actual yield over Theoretical yield times 100

Consider the balanced equation. CuSO sub 4 plus Zn rightarrow ZnSO sub 4 plus Cu If 200 point 0 g of copper(II) sulfate react with an excess of zinc metal, what is the theoretical yield of copper?

Salicylic acid open paren cap c sub 7 cap h sub 6 cap o sub 3 close paren reacts with acetic anhydride open paren cap c sub 4 cap h sub 6 cap o sub 3 close paren to form acetylsalicylic acid open paren cap c sub 9 cap h sub 8 cap o sub 4 close paren 2 cap c sub 7 cap h sub 6 cap o sub 3 aq plus cap c sub 4 cap h sub 6 cap o sub 3 aq rightarrow 2 cap c sub 9 cap h sub 8 cap o sub 4 aq plus cap h sub 2 cap o l What is the limiting reactant if 70 point 0 g of open paren cap c sub 7 cap h sub 6 cap o sub 3 close paren and 80 point 0 g of open paren cap c sub 4 cap h sub 6 cap o sub 3 close paren react?

The chemical equation shows how ammonia reacts with sulfuric acid to produce ammonium sulfate. 2 NH sub 3 aq plus cap h sub 2 SO sub 4 aq rightarrow open paren NH sub 4 close paren sub 2 SO sub 4 aq How many grams of ammonium sulfate can be produced if 60 point 0 mol of sulfuric acid react with an excess of ammonia?

A 13 point 0 0 g sample of citric acid reacts with an excess of baking soda as shown in the equation. cap h sub 3 cap c sub 6 cap h sub 5 cap o sub 7 plus 3 NaHCO sub 3 rightarrow 3 CO sub 2 plus 3 cap h sub 2 cap o plus Na sub 3 cap c sub 6 cap h sub 5 cap o sub 7 What is the theoretical yield of carbon dioxide?

The chemical equation shows iron(III) phosphate reacting with sodium sulfate. 2 FePO sub 4 plus 3 Na sub 2 SO sub 4 rightarrow Fe sub 2 open paren SO sub 4 close paren sub 3 plus 2 Na sub 3 PO sub 4 What is the theoretical yield of Fe sub 2 open paren SO sub 4 close paren sub 3 if 20 point 0 0 g of FePO sub 4 reacts with an excess of Na sub 2 SO sub 4 ?

The electrolysis of water forms cap h sub 2 and cap o sub 2 2​H_2O→2​H_2+​O_2 What is the percent yield of cap o sub 2 if 10 point 2 g of cap o sub 2 is produced from the decomposition of 17 point 0 g of cap h sub 2 cap o ? Use percent Yield is equal to Actual yield over Theoretical yield times 100

Ammonia is produced by this reaction. 3 cap h sub 2 g plus cap n sub 2 times g rightarrow 2 NH sub 3 g When 7 point 0 0 g of hydrogen react with 70 point 0 g of nitrogen, hydrogen is considered the limiting reactant because

Consider the combustion reaction for acetylene. 2 cap c sub 2 cap h sub 2 l plus 5 cap o sub 2 g rightarrow 4 CO sub 2 g plus 2 cap h sub 2 cap o g If the acetylene tank contains 37 point 0 mol of cap c sub 2 cap h sub 2 and the oxygen tank contains 81 point 0 mol of cap o sub 2 , what is the limiting reactant for this reaction?